Results 41 to 50 of about 167,931,681 (292)

Cost effective combined axial fan and throttling valve control of ventilation rate [PDF]

, 2004
This paper is concerned with Proportional-Integral-Plus (PIP) control of ventilation rate in mechanically ventilated agricultural buildings. In particular, it develops a unique fan and throttling valve control system for a 22m3 test chamber, representing
Leigh, P., Vranken, E., Chotai, Arun, Young, Peter C., Taylor, C. James, Berckmans, D.   +5 more
core   +4 more sources

Design, Modeling, and Feasibility Analysis of Rotary Valve for Internal Combustion Engine

Journal of Combustion
There have been several studies focused on improving the efficiency of internal combustion engines using various techniques such as better design, better materials, and regenerative technologies.
Wenbo Dong, Vishwas N. Bedekar
doaj   +1 more source

Design and Performance Evaluation of an Electro-Hydraulic Camless Engine Valve Actuator for Future Vehicle Applications

Sensors, 2017
This paper details the new design and dynamic simulation of an electro-hydraulic camless engine valve actuator (EH-CEVA) and experimental verification with lift position sensors.
Kanghyun Nam, Kwanghyun Cho, Sang-Shin Park, Seibum B. Choi   +3 more
doaj   +1 more source

Assessing the Sensitivity and the Clinical Impact of the 2023 American College of Rheumatology/EULAR Classification Criteria in Obstetric Antiphospholid Syndrome: Findings From a Multicenter Italian Cohort With a Long‐Term Follow‐Up

Arthritis Care &Research, EarlyView.
Objective The aim of this study was to evaluate the sensitivity of the 2023 American College of Rheumatology (ACR)/EULAR classification criteria for antiphospholipid syndrome (APS) in a real‐world cohort of women diagnosed with primary obstetric APS (oAPS) and to assess their ability to identify patients at risk of future pregnancy complications ...
Francesca Ruffilli, Cecilia Nalli, Francesca Crisafulli, Carlo Garaffoni, Marcello Govoni, Giulia Voltarel, Alba C. Pozzi, Beatrice Maranini, Ettore Silvagni, Alessandra Bortoluzzi, Angela Tincani   +10 more
wiley   +1 more source

Idle Operation with Low Intake Valve Lift in a Port Fuel Injected Engine [PDF]

, 2013
Reducing fuel consumption is a prime objective in the automotive industry in order to meet regulatory and customer demands. Variable valve actuation offers many opportunities for improving the spark ignition engine’s performance in areas such as fuel ...
CLENCI, Adrian, Georges Descombes, Michael Deligant, PODEVIN, Pierre, NICULESCU, Rodica, DELIGANT, Michael, BIZIAC, Adrian, Rodica Niculescu, Pierre Podevin, DESCOMBES, Georges, Bîzîiac, Adrian, Adrian Bîzîiac, Adrian Clenci   +12 more
core   +1 more source

The Lupus Damage Index Revision Program: Results From the Item Generation and Reduction Phases

Arthritis Care &Research, EarlyView.
Objective A data‐driven and expert/patient consensus‐based project to develop a revised Systemic Lupus International Collaborating Clinics (SLICC)/American College of Rheumatology (ACR) Damage Index (SDI) is under way supported by SLICC, ACR, and the Lupus Foundation of America. Our objective is to report the item generation and reduction phase results
Burak Kundakci, Megan R. W. Barber, Ann E. Clarke, Sindhu R. Johnson, Anselm Mak, Hermine I. Brunner, Murat Inanc, Rosalind Ramsey‐Goldman, Guillermo Ruiz‐Irastorza, Ellen M. Ginzler, John G. Hanly, Alexandra Legge, Cynthia Aranow, Laurent Arnaud, Nathalie Costedoat‐Chalumeau, Dafna D. Gladman, Søren Jacobsen, Michelle Petri, Clovis A. Silva, Évelyne Vinet, Alexandre E. Voskuyl, SDI Revision Literature Review Groups, SDI Revision Delphi Panel, SDI Revision Item Reduction Committee, SDI Revision Clinical Domain Groups, Ian N. Bruce   +25 more
wiley   +1 more source

Design and Fabrication of Three-Dimensional Scaffolds for Tissue Engineering of Human Heart Valves [PDF]

, 2008
We developed a new fabrication technique for 3-dimensional scaffolds for tissue engineering of human heart valve tissue. A human aortic homograft was scanned with an X-ray computer tomograph.
Schaefermeier, P. K., Meiser, B. M., Reichart, B., Sodian, R., Szymanski, D., Fu, P., Weiss, F., Lueth, T., Schmitz, C., B. Reichart, D. Szymanski, B.M. Meiser, R. Sodian, P.K. Schaefermeier, F. Weiss, T. Lueth, P. Fu, C. Schmitz, Schaefermeier, P. K.;Szymanski, D.;Weiss, F.;Fu, P.;Lueth, T.;Schmitz, C.;Meiser, B. M.;Reichart, B.;Sodian, R.   +18 more
core   +1 more source

Characterization and Testing of an Electrorheological Fluid Valve for Control of ERF Actuators

Actuators, 2015
Previous studies of electrorheological fluids (ERFs) were motivated by brake, clutch, damping, haptic and resistive applications, but never motivated towards developing an ERF based-hydraulic rotary actuator. One design to make such an actuator is to use
Quang-Anh Nguyen, Steven Jens Jorgensen, Joseph Ho, Luis Sentis   +3 more
doaj   +1 more source

Numerical study on a rotational hydraulic damper with variable damping coefficient

Scientific Reports, 2021
The rotational hydraulic damper has advantages in the design and control of rotational machines. This paper presents a novel hydraulic rotational damper with the characteristic of adjusting the damping coefficient.
Huiyong Zhao, Baohua Wang, Genfu Chen
doaj   +1 more source

Extending Service Beyond Active Duty: Generalizability of Rheumatoid Arthritis Research Conducted Among U.S. Veterans

Arthritis Care &Research, Accepted Article.
Biomedical research involving United States Veterans continues to advance healthcare beyond the Veterans Health Administration. This is particularly true in rheumatoid arthritis (RA), where Veteran‐centric research has uncovered novel insights into pathogenesis, risk factors, and disease manifestations, informing clinical care and research across both ...
Austin M. Wheeler, Joshua F. Baker, Jennifer L. Barton, Maria I. Danila, Tate M. Johnson, Kamini Kuchinad, Kaleb Michaud, Amir A. Razmjou, J. Steuart Richards, Namrata Singh, Isaac D. Smith, Katherine D. Wysham, Grant W. Cannon, Bryant R. England, Amy Joseph, Deana Lazaro, Katherine P. Liao, Courtney Loecker, Andreas Reimold, Beth I. Wallace, Ted R. Mikuls   +20 more
wiley   +1 more source